Fair Value (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2014	Nov. 30, 2013
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Marketable equity securities	$ 1,924us-gaap_AvailableForSaleSecurities	$ 2,208us-gaap_AvailableForSaleSecurities
Interest rate swap asset	8	63
Interest rate swap liabilities	2,330	2,285
Recurring basis \| Level 1
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Marketable equity securities	1,924	2,208
Recurring basis \| Level 2
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Interest rate swap asset	8	63
Interest rate swap liabilities	$ 2,330	$ 2,285

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-Section 50

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

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